<html>
<body>
hello world
<input type="button" onclick="callJS()"
       value="callJS">

<input type="button" onclick="callAndroid()"
       value="调用安卓的方法">

<input type="button" onclick="jumpActivity()"
       value="打开安卓的Activity">
</body>
<script>
function callJS(){
	alert("Android 调用了JS方法");
}
function callAndroid(){
    android.hello("lisa");
}
function jumpActivity(){
    jump.jump();
}

</script>
</html>